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. 2024 Nov 8;15:411. doi: 10.25259/SNI_759_2024

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Copyright: © 2024 Surgical Neurology International

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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Figure 1: — (a) Magnetic resonance angiography in the axial view revealed a left internal carotid cavernous sinus fistula (CCF) 13 years before the presentation; (b) imaging 1 year before presentation showed no occurrence of CCF or abnormal signal in the left subventricular zone (SVZ). (c) At presentation, the SVZ was highly intense on fluid-attenuated inversion recovery (FLAIR), and (d) extensive leptomeninges from the basiler cistern to the left Sylvian fissure could be observed on contrast-enhanced T1 weighted imaging (CE-T1WI). After 2 months, the tumor was enlarted and bled on (e) FLAIR and (f) CE-T1WI images.